The photothermal utilization of solar energy is a significant method in solar energy utilization, encompassing absorption [9], transformation [10], storage [11], and other related aspects. Among these processes, the absorption of solar energy serves as the initial stage in the overall utilization process.
The photothermal utilization of solar energy is a significant method in solar energy utilization, encompassing absorption [9], transformation [10], storage [11], and other related aspects. Among these processes, the absorption of solar energy serves as the initial stage in the overall utilization process.
The phase structure of the catalyst was analyzed using X-ray diffraction (XRD). Figure S1 A demonstrates the characteristic peaks of porphyrin (TCPP) and CuTCPP. The diffraction peaks at 2θ values of 7.2, 11.0, 12.5, and 21.0 match with the (1 1 0), (0 0 2), (2 1 0), and (0 0 4) characteristic crystal planes of CuTCPP, respectively [33], indicating the successful …
China has abundant solar energy resources and a huge market prospect. Tower-type solar power generation technology has high solar energy conversion rate and great room for ...
In this experimental study, photothermal properties of hybrid nanofluids are reported. Deionized water (DI) and Therminol55 are used as base fluids with silver and graphene as nanomaterials. The concentrations of …
Photothermal catalysis integrates the strengths of photocatalytic and thermochemical processes and has gained significant attention in driving energy-consuming reactions such as CO2 reduction and pollutant decomposition. It is of particular interest for efficient utilization of the full solar spectrum via capturing shorter- and longer-wavelength …
As shown in Fig. 2 a 1-a 3.The catkins without any treatment showed a clear tubular structure with smooth surface (CB). The surface of CBP loaded with polyaniline was slightly rough, and the polyaniline particles were clearly visible (Fig. 2 b 1-b 3) pared with ...
Photothermal phase change energy storage materials (PTCPCESMs), as a special type of PCM, can store energy and respond to changes in illumination, …
Photothermal regulation concerning solar harvesting and repelling has recently attracted significant interest due to the fast-growing research focus in the areas of solar heating for evaporation, photocatalysis, motion, and electricity generation, as well as passive cooling for cooling textiles and smart bui
Photothermal (PT) is a widely used solar thermal collection method that employs solar absorbers to capture solar photons and convert them to heat. Thermal analysis reveals …
Self-floating all-in-one photothermal evaporators are fabricated by freeze-drying, casting, and surface-hydrogenation, in which the hydrophilic black TiO 2 provides a path for water molecules, Ag nanoparticles act as local heating points, and amorphous carbon improves locally thermal conductivity and blocks thermal loss. ...
As shown in Fig. 2 a, the metal-based system structure of solar-driven steam generation having three modes which is mainly and widely recognized currently [3] general, the major difference between the three models is that the location where the photothermal ...
Dust effects of space/time factors on trough solar system are studied in alpine areas. • Dust distribution characteristics are described by multiple variables. • Experimental platform was built to test optical and thermal …
Optimal optical absorption properties are imperative for the utilization of nanofluids in solar energy applications. Excellent optical absorption facilitates the augmentation of solar energy utilization efficiency. The base fluid contributes significantly to the optical properties of the nanofluid. However, the effect of base fluid on the nanofluid …
The as-produced PTG nanomachine exhibited excellent photothermal sustainability with minimal structural variation and decay of photothermal ability after at …
Using Bi 2 Te 3 /Cu to achieve a high solar-heating temperature Bi 2 Te 3 is a typical photothermal material with a narrow band gap (<0.2 eV) 45,46 that can nearly fully absorb the solar spectrum ...
Here, we propose the concept of using heterostructures of black photothermal materials (such as Bi2Te3) and infrared insulating materials (Cu) to …
Solar photothermal power generation refers to the use of large-scale array parabolic or dish mirror to collect solar heat energy, through the heat exchange device to provide steam, combined with the traditional turbo-generator technology, so as to achieve the purpose of power generation.
[4-6] Photothermal conversion (PTC) technology is considered amongst some of the most popular strategies for absorbing and converting solar power, which …
A simple, mild, and versatile method has been developed for preparation of photothermal woods. • The resultant wood exhibits high solar-to-evaporation efficiency, outstanding stability and anti-oil-fouling performance. • Structural designs can be easily realized via this ...
One important implementation of photothermal nanomaterials is the solar evaporation technology that allows steam and clean water to be produced from either seawater or wastewater, while the …
In this review, we comprehensively summarized the state-of-the-art photothermal applications for solar energy conversion, including photothermal water evaporation and desalination, photothermal …
The solar thermal conversion by photothermal (PT) and harvesting the coldness of outer space by radiative cooling (RC) have already attracted tremendous interest. However, most of the PT and RC approaches are static and monofunctional, which can only provide heating or cooling respectively under sunlight or darkness.
Photothermal phase change energy storage materials (PTCPCESMs), as a special type of PCM, can store energy and respond to changes in illumination, enhancing the eficiency of …
Piecewise concentrated photothermal utilization based on solar beam splitting was proposed. • A mathematical model based on spectral parameters was established. • Novel beam-splitting photothermal …
Thus, converting CO 2 into valuable chemicals is highly desired, especially with renewable solar energy, which shows great potential with the manner of photothermal catalysis. In this review, recent advancements in photothermal CO 2 conversion are discussed, including the design of catalysts, analysis of mechanisms, engineering of reactors, and the …
As shown in Fig. 2(b), the wavelength of thermal emission of the carbon core at 190 C lies in the infrared range from 5–10 μm, which is in agreement with the wavelength of Si–O–Si stretching vibration (5–10 μm) of SiO 2 measured by Fourier-transform infrared (FT-IR) spectroscopy (Fig. 2(c)).).
Dual-mode harvest solar energy for photothermal Cu2-xSe ...
In this review, recent advancements in photothermal CO 2 conversion are discussed, including the design of catalysts, analysis of mechanisms, engineering of …
Graphic description of the photothermal conversion experimental system was shown in Fig. 1 iefly, solar simulator (Zolix Co. Xenon Arc lamp) was used as the light source, which provides a close spectral match to the …
Photothermal recycling of waste polyolefin plastics into ...
Herein, for the first time, we have developed an extremely simple, mild and versatile method for preparation of photothermal woods with outstanding stability and anti-crude oil fouling property toward highly efficient …